256454856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 256

約数和(自身を含む): 875520000

約数和(自身を除く): 619065144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 79, 84, 108, 113, 114, 126, 133, 152, 158, 168, 171, 189, 216, 226, 228, 237, 252, 266, 316, 339, 342, 378, 399, 452, 456, 474, 504, 513, 532, 553, 632, 678, 684, 711, 756, 791, 798, 904, 948, 1017, 1026, 1064, 1106, 1197, 1356, 1368, 1422, 1501, 1512, 1582, 1596, 1659, 1896, 2034, 2052, 2133, 2147, 2212, 2373, 2394, 2712, 2844, 3002, 3051, 3164, 3192, 3318, 3591, 4068, 4104, 4266, 4294, 4424, 4503, 4746, 4788, 4977, 5688, 6004, 6102, 6328, 6441, 6636, 7119, 7182, 8136, 8532, 8588, 8927, 9006, 9492, 9576, 9954, 10507, 12008, 12204, 12882, 13272, 13509, 14238, 14364, 14931, 15029, 17064, 17176, 17854, 18012, 18984, 19323, 19908, 21014, 21357, 24408, 25764, 26781, 27018, 28476, 28728, 29862, 30058, 31521, 35708, 36024, 38646, 39816, 40527, 42028, 42714, 45087, 51528, 53562, 54036, 56952, 57969, 59724, 60116, 62489, 63042, 71416, 77292, 80343, 81054, 84056, 85428, 90174, 94563, 107124, 108072, 115938, 119448, 120232, 124978, 126084, 135261, 154584, 160686, 162108, 169613, 170856, 180348, 187467, 189126, 214248, 231876, 241029, 249956, 252168, 270522, 283689, 321372, 324216, 339226, 360696, 374934, 378252, 405783, 463752, 482058, 499912, 508839, 541044, 562401, 567378, 642744, 678452, 749868, 756504, 811566, 964116, 1017678, 1082088, 1124802, 1134756, 1187291, 1356904, 1499736, 1526517, 1623132, 1687203, 1928232, 2035356, 2249604, 2269512, 2374582, 3053034, 3246264, 3374406, 3561873, 4070712, 4499208, 4579551, 4749164, 6106068, 6748812, 7123746, 9159102, 9498328, 10685619, 12212136, 13497624, 14247492, 18318204, 21371238, 28494984, 32056857, 36636408, 42742476, 64113714, 85484952, 128227428, 256454856]

約数ペア:

[(1, 256454856), (2, 128227428), (3, 85484952), (4, 64113714), (6, 42742476), (7, 36636408), (8, 32056857), (9, 28494984), (12, 21371238), (14, 18318204), (18, 14247492), (19, 13497624), (21, 12212136), (24, 10685619), (27, 9498328), (28, 9159102), (36, 7123746), (38, 6748812), (42, 6106068), (54, 4749164), (56, 4579551), (57, 4499208), (63, 4070712), (72, 3561873), (76, 3374406), (79, 3246264), (84, 3053034), (108, 2374582), (113, 2269512), (114, 2249604), (126, 2035356), (133, 1928232), (152, 1687203), (158, 1623132), (168, 1526517), (171, 1499736), (189, 1356904), (216, 1187291), (226, 1134756), (228, 1124802), (237, 1082088), (252, 1017678), (266, 964116), (316, 811566), (339, 756504), (342, 749868), (378, 678452), (399, 642744), (452, 567378), (456, 562401), (474, 541044), (504, 508839), (513, 499912), (532, 482058), (553, 463752), (632, 405783), (678, 378252), (684, 374934), (711, 360696), (756, 339226), (791, 324216), (798, 321372), (904, 283689), (948, 270522), (1017, 252168), (1026, 249956), (1064, 241029), (1106, 231876), (1197, 214248), (1356, 189126), (1368, 187467), (1422, 180348), (1501, 170856), (1512, 169613), (1582, 162108), (1596, 160686), (1659, 154584), (1896, 135261), (2034, 126084), (2052, 124978), (2133, 120232), (2147, 119448), (2212, 115938), (2373, 108072), (2394, 107124), (2712, 94563), (2844, 90174), (3002, 85428), (3051, 84056), (3164, 81054), (3192, 80343), (3318, 77292), (3591, 71416), (4068, 63042), (4104, 62489), (4266, 60116), (4294, 59724), (4424, 57969), (4503, 56952), (4746, 54036), (4788, 53562), (4977, 51528), (5688, 45087), (6004, 42714), (6102, 42028), (6328, 40527), (6441, 39816), (6636, 38646), (7119, 36024), (7182, 35708), (8136, 31521), (8532, 30058), (8588, 29862), (8927, 28728), (9006, 28476), (9492, 27018), (9576, 26781), (9954, 25764), (10507, 24408), (12008, 21357), (12204, 21014), (12882, 19908), (13272, 19323), (13509, 18984), (14238, 18012), (14364, 17854), (14931, 17176), (15029, 17064)]